package net.xi.news.controller.admin;


import net.xi.news.pojo.User;
import net.xi.news.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.persistence.GeneratedValue;
import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/admin")
public class LoginController {

    @Autowired
    private UserService userService;

    @GetMapping
    public String loginPage(){
        return "admin/login";
    }

    @PostMapping("/login")
    //登录页面
    public String login(@RequestParam String username,
                        @RequestParam String password,
                        HttpSession session,
                        RedirectAttributes attributes,
                        Model model){
        User user = userService.checkUser(username,password);
        if (user != null){
                user.setPassword(null);
                session.setAttribute("user",user);
                model.addAttribute("user",username);
                return "admin/index";
        }else {
            attributes.addFlashAttribute("msg","用户名或密码错误");
            return "redirect:/admin";
        }
    }


    @GetMapping("/loggout")
    //登出
    public String loggout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/admin";
    }
}
